Morphology Data of Scarus fuscocaudalis
Identification keys
Abnormalities
Main Ref. Randall, J.E. and R.F. Myers, 2000
Appearance refers to
Bones in OsteoBase

Sex attributes

Specialized organs
Different appearance
Different colors
Remarks

Descriptive characteristics of juvenile and adult

Striking features none
Body shape lateral elongated
Cross section compressed
Dorsal head profile
Type of eyes
Type of mouth/snout
Position of mouth sub-terminal/inferior
Type of scales cycloid scales
Diagnosis

Presence of 4 median predorsal scales; 3 rows of scales on cheek, the upper row with 6-7 scales, the middle row with 6 scales, and the lower row with 1 or 2 scales; 1 or 2 laterally projecting canines posteriorly on side of dental plates of adults; lips covering more than 3/4 of dental plates; dorsal fin moderately high, the longest dorsal spine 2.1-2.6 in head length; caudal fin truncate in young, double marginate in initial-phase fish, and somewhat lunate in terminal males. Initial phase fish brownish pink to rose pink, the throat and thorax green with green stripes extending posteriorly across abdomen; naked part of caudal fin blackish with orange lobes and a broad whitish posterior margin; body of terminal males pink and green, with blue and pink stripes ventrally; head blue with pink stripes ( a broad one on snout passing through lower eye to pectoral-fin base, and another from behind eye across upper part of operculum); naked part of caudal fin purple centrally, green posteriorly, the lobes blue with a pink submarginal band.

Ease of Identification

Meristic characteristics of Scarus fuscocaudalis

Lateral Lines Interrupted: No
Scales on lateral line
Pored lateral line scales 21 - 23
Scales in lateral series
Scale rows above lateral line 1.5
Scale rows below lateral line 6 - 6
Scales around caudal peduncle 12 - 12
Barbels
Gill clefts (sharks/rays only)
Gill rakers
on lower limb
on upper limb
total 39 - 48
Vertebrae
preanal
total 25 - 25

Fins

Dorsal fin(s)

Attributes
Fins number 1
Finlets No. Dorsal   0 - 0
Ventral  0 - 0
Spines total 9 - 9
Soft-rays total 10 - 10
Adipose fin absent

Caudal fin

Attributes more or less truncate; more or less normal

Anal fin(s)

Fins number
Spines total 3 - 3
Soft-rays total 9 - 9

Paired fins

Pectoral Attributes  more or less normal
Spines     
Soft-rays   14 - 14
Pelvics Attributes  more or less normal
Position    thoracic  behind origin of D1
Spines     1
Soft-rays   5 - 5
Main Ref. (e.g. 9948)
Glossary ( e.g. cephalopods )
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